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NeXtMidas Training
Applets & WebStart
WebStart
WebStart
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- Using WebStart
- To use WebStart you need to do four things:
- 1. Create the necessary JAR files
- This is done automatically if you do
nm> make all <myopt>
- The JARS are placed in the
$NMROOT/jars/ directory.
- 2. Create the JNLP file
- The JNLP file specifies which JARS are required and which command is
to be run.
- Like the applets, there are properties that can be set:
AUX - The read and write aux (e.g. "HOME HOME|RAM|DAT")
OPTS - The option trees to add to the path (e.g. "UCL,SYS")
See Building WebStart Applications in the NeXtMidas
User's Guide for details
- See $NMROOT/htdocs/shell.jnlp for a sample JNLP file.
- 3. Upload the JAR files and JNLP file to a web server
- The files need to be uploaded to the web server.
- Some web servers may need a minor configuration update before using JNLP files,
see Building WebStart Applications
in the NeXtMidas User's Guide for details.
- 4. Make a link to the JNLP file in a web page.
- All that is need is a simple link to the JNLP file, for example:
<a href="myapp.jnlp">Launch MyApp via Java WebStart</a>
- If the user's web browser is not already configured to use WebStart, the user
should get a popup asking what to do with the file. They should select
"Open With Application" and choose
javaws as the application
(javaws is usually found at $JAVAHOME/jre/javaws/javaws ).
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